Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSDODGE AND RAM2000INTREPID R/TREPAIR AND DIAGNOSISHEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSHVAC SYSTEM - AUTOMATIC
2000 Dodge and Ram Intrepid R/T
HVAC System - Automatic
2000 Dodge and Ram Intrepid R/TSECTION HVAC System - Automatic
- Specifications
- Description
- Operation
- Adjustments
- Self-Diagnostics
- Diagnostic Tests
- Notes
- Test A: DTC P0645 - A/C Clutch Relay Circuit
- Test B: DTC P1598 - A/C Pressure Sensor Volts Too High
- Test C: DTC P1599 - A/C Pressure Sensor Volts Too Low
- Test D: ATC Blower Motor Inoperative
- Test E: ATC Blower Motor Speeds Incorrect
- Test F: ATC Control Panel Illumination
- Test G: ATC Switch Failure Or Inoperative
- Test H: ATC System Check
- Test I: ATC Temperature Control Incorrect In Sun Or Shade
- Test J: Blend Door Feedback Failure Blend Door Stall Test Failure
- Test K: Blend Door Output Shorted To Ground
- Test L: Door Actuator Output Shorted To Battery Voltage
- Test M: Common Door Output Shorted To Ground
- Test N: Evaporator Temperature Sensor Failure
- Test P: In-Car Temp Sensor/Aspirator Failure
- Test Q: Mode Door Feedback Failure Mode Door Stall Test Failure
- Test R: Mode Door Output Shorted To Ground
- Test S: RECIRCULATION Door Output Shorted To Ground
- Test T: RECIRCULATION Door Test Failure
- Test U: Sun Load Sensor Failure
- Verification Test
- System Tests
- Component Tests
- Removal & Installation
- Notes
- A/C Pressure Transducer
- Blower Motor Resistor
- Blower Motor Power Module
- Compressor
- Expansion Valve
- Sun Sensor
- Compressor Clutch/Coil Assembly
- Condenser
- Evaporator
- Filter/Dryer
- Mode Door Motor/Actuator
- RECIRCULATION Door Motor/Actuator
- Temperature Door Motor/Actuator
- Unit Housing
- Instrument Panel
- A/C Ambient Temperature Sensor
- Automatic Temperature Control Module
- Evaporator Temperature Sensor
- Blower Motor
- ATC In Car Temperature Sensor
- In-Car Temperature Sensor
- Sun Load Sensor
- Wiring Diagrams
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.